Fastener.



Patented August 11, 1903.

EDWIN BALL STIMPSON, OF NEW YORK, N. Y.

FASTENER.

SPECIFICATION forming part of Letters Patent No. 736,165, dated August11, 1903.

Application filed December t, 1902. Serial No. 133,885. (No model.)

To all whom it may concern:

Be itknown that I, EDWIN BALL STIMrsoN, a citizen of the United States,residing in the borough of Brooklyn, in the county of Kings and city andState of New York, have in vented certain new and useful Improvements inFasteners, of which the following is a speciarm which is pivotallymounted on a baseplate in such a manner that the axis of rotation issubstantially at right angles to said base-plate, whereby the hook orhook-arm swings about laterally. Means are provided for holding the armsteady when engaged and turned to the locking position and for bringingthe free end of thearm down close to the attaching-base when in thisposition.

In the drawings, which serve to illustrate an embodiment of theinvention, Figure 1 is a plan of the device as embodied and utilized ina take-up or fastener for arctics, and Fig. 2 is a longitudinal sectionof same in the plane indicated by line 90 in Fig. 1. Fig. 3 shows thedevice applied in another utilization. Fig. 4. is a cross-section of thedevice at line :17 in Fig. 2. Figs. 5, 6, and 7 are views of thehook-arm detached, Fig. 5 being a plan, Fig. 6 an under side view, andFig. 7 a crosssection. Fig. 8 is a plan view of the blank from which thehook-arm is made. Figs. 9, 10, and 11 show the base-plate of the devicedetached, Fig. 9, being a plan and Figs. 10 and 11 sections taken,respectively, at lines 00 and 00 in Fig. 9.

The active member of the fastening, or that having on it the operativemovable hook-arm, is the same throughout the drawings, and said memberwill now be particularly described with reference to Figs. 5 to 11. Thismember comprises, essentially, two major partsnamely, a base-plate A anda hook-arm B. The base plate A will be by preference stamped up fromsheet metal and will have in its upper face a depressed circular recessa and an elevated guard-plate a, formed in tegrally With the mainportion of the plate by slitting the latter and elevating the stripfreed by such slitting. In the guard-plate is an aperture 06*, and inthe main plate is an aperture a to receive a securing-rivet or othermeans for attaching the member to the fabric. The hook-arm or part Bcomprises the arm or hook proper, b, and the disk-like foot b of the armb. The middle portion of the disk is depressed, as clearly seen in Figs.4. and 7, for reasons that will be hereinafter explained. The arm I) isarched, as shown in Fig. 2, and is fluted to impart strength andstiffness. In assembling the two parts A and B to form this main memberof the fastener the arm I) is passed through the aperture 0. in theplate a, and the disk I) is placed in the recess a, with the depressedportion 11 of the disk engaging the slot in the base-plate formed by theremoval of the elevated plate a. Thus the disk is provided with arotative bearing in the base-plate, and the stem or neck of the arm I)has a rotative bearing in the aperture a Fig. 4 shows the positions ofthe parts when thus assembled. If the free end of the arm I) shall betoo wide to pass through the aperture a this aperture may have a lateralslot 0. to provide the necessary room. After the parts are assembled theguard-plate 0. will be pressed down into place by dies or otherwise, soas to cage the disk b in the bearing-recess a. In Fig. 10, forillustration, this plate is shown in its final position, although itwill not be actually pressed down into this final position in practiceuntil the part B is in place. 0 The device being made from sheet metaland preferably of sheet-steel, there will be a certain spring orresiliency of the parts, and the engagement of the rib or depressed partb on the disk b,with the slot (t in Fig. 11 in 5 hold the arm I? quitefirmly and steadily in its locked position, (seen in full lines in Figs.1 and 2,) and also in its opposite position, (indicated in dotted linesin these figures;) but a slight effort we will enable the arm b to beturned, the parts spreading or yielding to permit of this.

Referring now to Figs. 1 and 2, G is the other or non-active member ofthe fastener.

the base plate, will This is a curved plate having means at c forsecuring it to the arctic or overshoes and a series of apertures c toreceive the hook-arm b of the other member. The plate 0 has apertures c,wider at their middles than at their ends, so as to provide room for thearm 19.

In Fig. 3, D designates a part to which the member A B is attachedas bya rivet d, for exampleand E designates a flap of said part to be helddown by the fastening device. In this flap E is an eyelet Cto receivethe arm b. This eyelet performs the same function as the apertures c inthe part 0 of Figs. 1 and 2.

The base-plate A will be or may be bent at y, Figs. 2 and 10, so as tocause the parts of the said plate in which the hook-arm is mounted tooccupya position a little oblique to the surface on which the member ismounted. The purpose of this is to imparta slight obliquity to the axisabout which the arm I) 7 turns, so that, as seen in Fig. 2, the free endof the arm when in its locking position will be close down to thesurface of the material or to the base-plate, while, on the other hand,said free end will stand off clear when the arm is turned to theposition required (see dotted lines in Fig. 2) when the engagement ofthe arm is to be effected.

It will be understood that the present invention is not restricted tothe application of the fastening device to any special use or articlerequiring a fastening. It may be used as a buckle for a belt, forexample, and in Fig. 8 the parts D and E may be considered as therespective ends of a belt. The manner of-making the device does notenter materially into the invention; but Fig. 8 illustrates thepreferred manner of producing the part B. The blank is cut or punchedfrom sheet metal in the form shown, and after the arm is bent up andshaped the pointsz in this figure are bent inward, (see Fig. 6,) so asto impart-a circular form to the disk.

Having thus described my invention, I claim- 1. In a fastening device, amember comprising a base-plate provided with a circular recess and anapertnred guard-plate above said recess and integral with thebase-plate, and

a hook-arm having a disk integral therewith, the said disk occupying therecess in the plate and caged therein by said guard-plate, and the armadjacent to the disk rotatably engaging the aperture in the guard-plate.

2. In a fastening device, a member comprising a base-plate provided witha circular recess and an apertured guard-plate, and a hook-arm having adisk which occupies and turns in the recess in the plate, the neck ofthe hook-arm engaging and rotatable in the aperture in the guard-plate.

3. In a fastening device, a membercomprising two parts, namely, abase-plate having a circular recess a, and an apertured guardplate a,and a part having a hook-arm b, and a disk b, the disk occupying therecess a in the other part of the member, and the neck of said arm,adjacent to the disk, being rotatively engaged with the aperture a inthe guard-plate a, substantially as set forth.

4. In a fastening device, a member comprising two parts, namely, abase-plate having a circular recess a, having a slot a in its bottom,and an elevated guard-plate 0, having in it an aperture a and a parthaving a curved hook-arm b, and a circular disk I) thereon provided witha depressed rib W, said disk occupying the recess Ct in the base-plate,said rib adapted to engage the slot a in the baseplate, and said armengaging the aperture in the guard-plate a, substantially as set forth.

5. In a fastening device, a memberA thereof which forms the base-plate,said member having an attaching portion, and having in it a bend y,whereby the said attaching portion is made to occupy a position obliqueto the other or tree portion of the base-plate, and a hook-arm mountedrotatively in the last-named or free portion of the base-plate, the axisof rotation of the said hook-arm being substantially at right angles tothe portion of the base-plate in which it is mounted.

In witness whereof I have hereunto signed my name, this 3d day ofDecember, 1902, in the presence of two subscribing Witnesses.

EDWIN BALL STIMPSON.

Witnesses:

HENRY CONNETT, PETER A. Ross.

